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This paper discusses reduction of capacitances of dc capacitors in the previously proposed smart charger (SC) with a sinusoidal charging-discharging lithium-ion battery for electric vehicles in single-phase three-wire distribution feeders. The dc-capacitor current of the three-leg pulse-width modulated (PWM) rectifier, which is included in the SC, is detected, and then added to the reference value...
This paper proposes LED current control method of dimmable LED driver with dual active bridge (DAB) DC-DC converter for 1kW-class LED floodlight. The LED current control method is discussed in detail. The conventional LED driver cannot control turn-off time of LED current because the power flows from source side to LED floodlight side only. DAB converter is a bidirectional DC-DC converter formed by...
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